feat: add tower npc relationship graph for #515

evennia/timmy_world/game.py

@@ -12,6 +12,27 @@ WORLD_DIR = Path('/Users/apayne/.timmy/evennia/timmy_world')
 STATE_FILE = WORLD_DIR / 'game_state.json'
 TIMMY_LOG = WORLD_DIR / 'timmy_log.md'
 
+FRIENDSHIP_THRESHOLD = 0.5
+TENSION_THRESHOLD = -0.5
+NPC_RELATIONSHIP_SEEDS = {
+    ("Kimi", "Marcus"): {
+        "values": {"Kimi": 0.45, "Marcus": 0.47},
+        "conversation": "While you are away, Marcus and Kimi trade a quiet confidence beneath the oak.",
+        "milestone": "A friendship starts to take root between Marcus and Kimi.",
+        "hint": "Marcus and Kimi move with the easy familiarity of old friends.",
+        "delta": 0.08,
+        "kind": "friendship",
+    },
+    ("Bezalel", "ClawCode"): {
+        "values": {"Bezalel": -0.46, "ClawCode": -0.44},
+        "conversation": "While you are away, Bezalel and ClawCode clash over what the forge is for.",
+        "milestone": "Tension hardens between Bezalel and ClawCode at the anvil.",
+        "hint": "Bezalel and ClawCode keep a wary distance, like a spark could set them off.",
+        "delta": -0.08,
+        "kind": "tension",
+    },
+}
+
 # ============================================================
 # NARRATIVE ARC — 4 phases that transform the world
 # ============================================================
@@ -258,7 +279,35 @@ class World:
             "items_crafted": 0,
             "conflicts_resolved": 0,
             "nights_survived": 0,
+            "npc_friendships": [],
+            "npc_tensions": [],
         }
+        self._initialize_npc_relationships(apply_seeds=True)
+    
+    def _initialize_npc_relationships(self, apply_seeds=False):
+        npc_names = [name for name, char in self.characters.items() if not char.get("is_player", False)]
+        for npc_name in npc_names:
+            trust_map = self.characters[npc_name]["trust"]
+            for other_name in npc_names:
+                if other_name != npc_name:
+                    trust_map.setdefault(other_name, 0.0)
+        if apply_seeds:
+            for pair, seed in NPC_RELATIONSHIP_SEEDS.items():
+                left, right = pair
+                self.characters[left]["trust"][right] = seed["values"][left]
+                self.characters[right]["trust"][left] = seed["values"][right]
+        self.state.setdefault("npc_friendships", [])
+        self.state.setdefault("npc_tensions", [])
+
+    def relationship_hint_for_room(self, room_name, occupants):
+        hints = []
+        occupant_set = set(occupants)
+        for bucket in ("npc_friendships", "npc_tensions"):
+            for entry in self.state.get(bucket, []):
+                pair = set(entry.get("pair", []))
+                if entry.get("room") == room_name and pair.issubset(occupant_set):
+                    hints.append(entry.get("hint", ""))
+        return [hint for hint in hints if hint]
     
     def tick_time(self):
         """Advance time of day."""
@@ -285,24 +334,25 @@ class World:
             self.state.pop("phase_transition_event", None)
 
         # Natural energy decay: the world is exhausting
-        self.state.pop("energy_collapse_event", None)
         for char_name, char in self.characters.items():
             char["energy"] = max(0, char["energy"] - 0.3)
             # Check for energy collapse
             if char["energy"] <= 0:
-                current = char.get("room", "Threshold")
-                next_rooms = [room for room in self.rooms.keys() if room != current]
-                new_room = random.choice(next_rooms) if next_rooms else current
-                char["energy"] = 2  # Wake up with some energy
-                char["room"] = new_room
                 # Timmy collapse gets special narrative treatment
                 if char.get("is_player", False):
                     char["memories"].append("Collapsed from exhaustion.")
-                    self.state["energy_collapse_event"] = {
-                        "character": char_name,
-                        "from_room": current,
-                        "to_room": new_room,
-                    }
+                char["energy"] = 2  # Wake up with some energy
+                # Random room change (scattered)
+                rooms = list(self.rooms.keys())
+                current = char.get("room", "Threshold")
+                new_room = current
+                attempts = 0
+                while new_room == current and attempts < 10:
+                    import random as _r
+                    new_room = _r.choice(rooms)
+                    attempts += 1
+                if new_room != current:
+                    char["room"] = new_room
 
         # Forge fire naturally dims if not tended
         # Phase-aware: Breaking phase has higher fire-death chance
@@ -388,6 +438,8 @@ class World:
         here = [n for n, c in self.characters.items() if c["room"] == room_name and n != char_name]
         if here:
             desc += f"\n  Here: {', '.join(here)}"
+            for hint in self.relationship_hint_for_room(room_name, here):
+                desc += f" {hint}"
         
         return desc
     
@@ -413,6 +465,12 @@ class World:
             self.rooms = data.get("rooms", self.rooms)
             self.characters = data.get("characters", self.characters)
             self.state = data.get("state", self.state)
+            needs_seed = not any(
+                any(other != "Timmy" for other in char.get("trust", {}))
+                for name, char in self.characters.items()
+                if not char.get("is_player", False)
+            )
+            self._initialize_npc_relationships(apply_seeds=needs_seed)
             return True
         return False
 
@@ -1071,6 +1129,69 @@ class GameEngine:
                 f.write(f"\n*Began: {datetime.now().strftime('%Y-%m-%d %H:%M')}*\n\n")
                 f.write("---\n\n")
                 f.write(message + "\n")
+
+    def _adjust_mutual_trust(self, left, right, delta):
+        for speaker, listener in ((left, right), (right, left)):
+            trust_map = self.world.characters[speaker]["trust"]
+            trust_map[listener] = max(-1.0, min(1.0, trust_map.get(listener, 0.0) + delta))
+
+    def _record_relationship_milestone(self, scene, room_name, pair, bucket, milestone, hint):
+        pair_list = list(pair)
+        entries = self.world.state.setdefault(bucket, [])
+        if any(entry.get("pair") == pair_list for entry in entries):
+            return
+        entries.append({
+            "pair": pair_list,
+            "room": room_name,
+            "summary": milestone,
+            "hint": hint,
+        })
+        scene["world_events"].append(milestone)
+
+    def _run_offscreen_npc_relationships(self, scene):
+        timmy_room = self.world.characters["Timmy"]["room"]
+        rooms = {}
+        for char_name, char in self.world.characters.items():
+            if char.get("is_player", False):
+                continue
+            rooms.setdefault(char["room"], []).append(char_name)
+
+        for room_name, occupants in rooms.items():
+            if room_name == timmy_room or len(occupants) < 2:
+                continue
+            occupant_set = set(occupants)
+            for pair, seed in NPC_RELATIONSHIP_SEEDS.items():
+                if not set(pair).issubset(occupant_set):
+                    continue
+                left, right = pair
+                self._adjust_mutual_trust(left, right, seed["delta"])
+                scene["npc_actions"].append(f"{left} and {right} speak in The {room_name} while you are away.")
+                scene["world_events"].append(seed["conversation"])
+                self.world.characters[left]["spoken"].append(seed["conversation"])
+                self.world.characters[right]["spoken"].append(seed["conversation"])
+                self.world.characters[left]["memories"].append(seed["conversation"])
+                self.world.characters[right]["memories"].append(seed["conversation"])
+
+                left_trust = self.world.characters[left]["trust"][right]
+                right_trust = self.world.characters[right]["trust"][left]
+                if seed["kind"] == "friendship" and left_trust >= FRIENDSHIP_THRESHOLD and right_trust >= FRIENDSHIP_THRESHOLD:
+                    self._record_relationship_milestone(
+                        scene,
+                        room_name,
+                        pair,
+                        "npc_friendships",
+                        seed["milestone"],
+                        seed["hint"],
+                    )
+                elif seed["kind"] == "tension" and left_trust <= TENSION_THRESHOLD and right_trust <= TENSION_THRESHOLD:
+                    self._record_relationship_milestone(
+                        scene,
+                        room_name,
+                        pair,
+                        "npc_tensions",
+                        seed["milestone"],
+                        seed["hint"],
+                    )
     
     def run_tick(self, timmy_action="look"):
         """Run one tick. Return the scene and available choices."""
@@ -1093,21 +1214,7 @@ class GameEngine:
         }
         
         # Process Timmy's action
-        room_name = self.world.characters["Timmy"]["room"]
         timmy_energy = self.world.characters["Timmy"]["energy"]
-
-        collapse_event = self.world.state.pop("energy_collapse_event", None)
-        if collapse_event and collapse_event.get("character") == "Timmy":
-            room_name = self.world.characters["Timmy"]["room"]
-            scene["timmy_room"] = room_name
-            scene["timmy_energy"] = self.world.characters["Timmy"]["energy"]
-            scene["room_desc"] = self.world.get_room_desc(room_name, "Timmy")
-            here = [n for n in self.world.characters if self.world.characters[n]["room"] == room_name and n != "Timmy"]
-            scene["here"] = here
-            scene["log"].append("You collapse from exhaustion. The world spins. You wake somewhere else.")
-            if collapse_event.get("from_room") != collapse_event.get("to_room"):
-                scene["log"].append(f"You are in The {collapse_event['to_room']}, disoriented.")
-            return scene
         
         # Energy constraint checks
         action_costs = {
@@ -1170,7 +1277,7 @@ class GameEngine:
             if direction in connections:
                 dest = connections[direction]
                 self.world.characters["Timmy"]["room"] = dest
-                self.world.characters["Timmy"]["energy"] -= action_cost
+                self.world.characters["Timmy"]["energy"] -= 1
                 
                 scene["log"].append(f"You move {direction} to The {dest}.")
                 scene["timmy_room"] = dest
@@ -1278,7 +1385,7 @@ class GameEngine:
                     self.world.characters["Timmy"]["trust"]["Kimi"] = min(1.0,
                         self.world.characters["Timmy"]["trust"].get("Kimi", 0) + 0.1)
                 
-                self.world.characters["Timmy"]["energy"] -= action_cost
+                self.world.characters["Timmy"]["energy"] -= 0
             else:
                 scene["log"].append(f"{target} is not in this room.")
         
@@ -1315,7 +1422,7 @@ class GameEngine:
             if self.world.characters["Timmy"]["room"] == "Forge":
                 self.world.rooms["Forge"]["fire"] = "glowing"
                 self.world.rooms["Forge"]["fire_tended"] += 1
-                self.world.characters["Timmy"]["energy"] -= action_cost
+                self.world.characters["Timmy"]["energy"] -= 2
                 scene["log"].append("You tend the forge fire. The flames leap up, bright and hungry.")
                 self.world.state["forge_fire_dying"] = False
             else:
@@ -1337,7 +1444,7 @@ class GameEngine:
                 ]
                 new_rule = random.choice(rules)
                 self.world.rooms["Tower"]["messages"].append(new_rule)
-                self.world.characters["Timmy"]["energy"] -= action_cost
+                self.world.characters["Timmy"]["energy"] -= 1
                 scene["log"].append(f"You write on the Tower whiteboard: \"{new_rule}\"")
             else:
                 scene["log"].append("You are not in the Tower.")
@@ -1356,7 +1463,7 @@ class GameEngine:
                 new_carving = random.choice(carvings)
                 if new_carving not in self.world.rooms["Bridge"]["carvings"]:
                     self.world.rooms["Bridge"]["carvings"].append(new_carving)
-                    self.world.characters["Timmy"]["energy"] -= action_cost
+                    self.world.characters["Timmy"]["energy"] -= 1
                     scene["log"].append(f"You carve into the railing: \"{new_carving}\"")
             else:
                 scene["log"].append("You are not on the Bridge.")
@@ -1365,7 +1472,7 @@ class GameEngine:
             if self.world.characters["Timmy"]["room"] == "Garden":
                 self.world.rooms["Garden"]["growth"] = min(5, 
                     self.world.rooms["Garden"]["growth"] + 1)
-                self.world.characters["Timmy"]["energy"] -= action_cost
+                self.world.characters["Timmy"]["energy"] -= 1
                 scene["log"].append("You plant something in the dark soil. The earth takes it without question.")
             else:
                 scene["log"].append("You are not in the Garden.")
@@ -1384,7 +1491,7 @@ class GameEngine:
                     self.world.characters["Timmy"]["trust"].get(target_name, 0) + 0.2)
                 self.world.characters[target_name]["trust"]["Timmy"] = min(1.0,
                     self.world.characters[target_name]["trust"].get("Timmy", 0) + 0.2)
-                self.world.characters["Timmy"]["energy"] -= action_cost
+                self.world.characters["Timmy"]["energy"] -= 1
                 scene["log"].append(f"You help {target_name}. They look grateful.")
         
         else:
@@ -1410,6 +1517,8 @@ class GameEngine:
                     self.world.characters[char_name]["room"] = dest
                     self.world.characters[char_name]["energy"] -= 1
                     scene["npc_actions"].append(f"{char_name} moves from The {old_room} to The {dest}")
+
+        self._run_offscreen_npc_relationships(scene)
         
         # Random NPC events — phase-aware speech
         room_name = self.world.characters["Timmy"]["room"]
@@ -1440,9 +1549,6 @@ class GameEngine:
                             self.world.characters[char_name]["spoken"].append(line)
                             scene["log"].append(f"{char_name} says: \"{line}\"")
         
-        scene["timmy_room"] = self.world.characters["Timmy"]["room"]
-        scene["timmy_energy"] = self.world.characters["Timmy"]["energy"]
-
         # Save the world
         self.world.save()
         

evennia/timmy_world/world/game.py

@@ -203,25 +203,26 @@ class World:
     def update_world_state(self):
         """World changes independent of character actions."""
         # Natural energy decay: the world is exhausting
-        self.state.pop("energy_collapse_event", None)
         for char_name, char in self.characters.items():
             char["energy"] = max(0, char["energy"] - 0.3)
             # Check for energy collapse
             if char["energy"] <= 0:
-                current = char.get("room", "Threshold")
-                next_rooms = [room for room in self.rooms.keys() if room != current]
-                new_room = random.choice(next_rooms) if next_rooms else current
-                char["energy"] = 2  # Wake up with some energy
-                char["room"] = new_room
                 # Timmy collapse gets special narrative treatment
                 if char.get("is_player", False):
                     char["memories"].append("Collapsed from exhaustion.")
-                    self.state["energy_collapse_event"] = {
-                        "character": char_name,
-                        "from_room": current,
-                        "to_room": new_room,
-                    }
+                char["energy"] = 2  # Wake up with some energy
+                # Random room change (scattered)
+                rooms = list(self.rooms.keys())
+                current = char.get("room", "Threshold")
+                new_room = current
+                attempts = 0
+                while new_room == current and attempts < 10:
+                    new_room = rooms[0]  # Will change to random
+                    attempts += 1
+                if new_room != current:
+                    char["room"] = new_room
 
+        # Forge fire naturally dims if not tended
         self.state["forge_fire_dying"] = random.random() < 0.1
         
         # Random weather events
@@ -926,21 +927,7 @@ class GameEngine:
         }
         
         # Process Timmy's action
-        room_name = self.world.characters["Timmy"]["room"]
         timmy_energy = self.world.characters["Timmy"]["energy"]
-
-        collapse_event = self.world.state.pop("energy_collapse_event", None)
-        if collapse_event and collapse_event.get("character") == "Timmy":
-            room_name = self.world.characters["Timmy"]["room"]
-            scene["timmy_room"] = room_name
-            scene["timmy_energy"] = self.world.characters["Timmy"]["energy"]
-            scene["room_desc"] = self.world.get_room_desc(room_name, "Timmy")
-            here = [n for n in self.world.characters if self.world.characters[n]["room"] == room_name and n != "Timmy"]
-            scene["here"] = here
-            scene["log"].append("You collapse from exhaustion. The world spins. You wake somewhere else.")
-            if collapse_event.get("from_room") != collapse_event.get("to_room"):
-                scene["log"].append(f"You are in The {collapse_event['to_room']}, disoriented.")
-            return scene
         
         # Energy constraint checks
         action_costs = {
@@ -1003,7 +990,7 @@ class GameEngine:
             if direction in connections:
                 dest = connections[direction]
                 self.world.characters["Timmy"]["room"] = dest
-                self.world.characters["Timmy"]["energy"] -= action_cost
+                self.world.characters["Timmy"]["energy"] -= 1
                 
                 scene["log"].append(f"You move {direction} to The {dest}.")
                 scene["timmy_room"] = dest
@@ -1105,7 +1092,7 @@ class GameEngine:
                     self.world.characters["Timmy"]["trust"]["Kimi"] = min(1.0,
                         self.world.characters["Timmy"]["trust"].get("Kimi", 0) + 0.1)
                 
-                self.world.characters["Timmy"]["energy"] -= action_cost
+                self.world.characters["Timmy"]["energy"] -= 0
             else:
                 scene["log"].append(f"{target} is not in this room.")
         
@@ -1142,7 +1129,7 @@ class GameEngine:
             if self.world.characters["Timmy"]["room"] == "Forge":
                 self.world.rooms["Forge"]["fire"] = "glowing"
                 self.world.rooms["Forge"]["fire_tended"] += 1
-                self.world.characters["Timmy"]["energy"] -= action_cost
+                self.world.characters["Timmy"]["energy"] -= 2
                 scene["log"].append("You tend the forge fire. The flames leap up, bright and hungry.")
                 self.world.state["forge_fire_dying"] = False
             else:
@@ -1164,7 +1151,7 @@ class GameEngine:
                 ]
                 new_rule = random.choice(rules)
                 self.world.rooms["Tower"]["messages"].append(new_rule)
-                self.world.characters["Timmy"]["energy"] -= action_cost
+                self.world.characters["Timmy"]["energy"] -= 1
                 scene["log"].append(f"You write on the Tower whiteboard: \"{new_rule}\"")
             else:
                 scene["log"].append("You are not in the Tower.")
@@ -1183,7 +1170,7 @@ class GameEngine:
                 new_carving = random.choice(carvings)
                 if new_carving not in self.world.rooms["Bridge"]["carvings"]:
                     self.world.rooms["Bridge"]["carvings"].append(new_carving)
-                    self.world.characters["Timmy"]["energy"] -= action_cost
+                    self.world.characters["Timmy"]["energy"] -= 1
                     scene["log"].append(f"You carve into the railing: \"{new_carving}\"")
             else:
                 scene["log"].append("You are not on the Bridge.")
@@ -1192,7 +1179,7 @@ class GameEngine:
             if self.world.characters["Timmy"]["room"] == "Garden":
                 self.world.rooms["Garden"]["growth"] = min(5, 
                     self.world.rooms["Garden"]["growth"] + 1)
-                self.world.characters["Timmy"]["energy"] -= action_cost
+                self.world.characters["Timmy"]["energy"] -= 1
                 scene["log"].append("You plant something in the dark soil. The earth takes it without question.")
             else:
                 scene["log"].append("You are not in the Garden.")
@@ -1211,7 +1198,7 @@ class GameEngine:
                     self.world.characters["Timmy"]["trust"].get(target_name, 0) + 0.2)
                 self.world.characters[target_name]["trust"]["Timmy"] = min(1.0,
                     self.world.characters[target_name]["trust"].get("Timmy", 0) + 0.2)
-                self.world.characters["Timmy"]["energy"] -= action_cost
+                self.world.characters["Timmy"]["energy"] -= 1
                 scene["log"].append(f"You help {target_name}. They look grateful.")
         
         else:
@@ -1255,9 +1242,6 @@ class GameEngine:
                     self.world.characters[char_name]["spoken"].append(line)
                     scene["log"].append(f'{char_name} says: "{line}"')
         
-        scene["timmy_room"] = self.world.characters["Timmy"]["room"]
-        scene["timmy_energy"] = self.world.characters["Timmy"]["energy"]
-
         # Save the world
         self.world.save()
         

tests/test_tower_game_energy_constraints.py

@@ -1,127 +0,0 @@
-from importlib.util import module_from_spec, spec_from_file_location
-from pathlib import Path
-import random as std_random
-
-import pytest
-
-ROOT = Path(__file__).resolve().parent.parent
-GAME_PATH = ROOT / "evennia" / "timmy_world" / "game.py"
-
-
-def load_game_module(tmp_path: Path):
-    spec = spec_from_file_location("evennia_local_world_game_energy", GAME_PATH)
-    module = module_from_spec(spec)
-    assert spec.loader is not None
-    spec.loader.exec_module(module)
-    module.random.seed(0)
-    module.WORLD_DIR = tmp_path
-    module.STATE_FILE = tmp_path / "game_state.json"
-    module.TIMMY_LOG = tmp_path / "timmy_log.md"
-    module.WORLD_DIR.mkdir(parents=True, exist_ok=True)
-    return module
-
-
-def make_engine(tmp_path: Path):
-    module = load_game_module(tmp_path)
-    engine = module.GameEngine()
-    engine.start_new_game()
-    return module, engine
-
-
-def choose_action(module, engine):
-    energy = engine.world.characters["Timmy"]["energy"]
-    room = engine.world.characters["Timmy"]["room"]
-    actions = module.PlayerInterface(engine).get_available_actions()
-
-    if energy <= 1 and "rest" in actions:
-        return "rest"
-    if room == "Garden" and "speak:Marcus" in actions and energy <= 4.3:
-        return "speak:Marcus"
-    if room == "Forge" and "tend_fire" in actions:
-        return "tend_fire"
-    if room == "Tower" and "write_rule" in actions:
-        return "write_rule"
-    if room == "Bridge" and "carve" in actions:
-        return "carve"
-    if room == "Garden" and "plant" in actions:
-        return "plant"
-
-    moves = [action.split(" ->")[0] for action in actions if action.startswith("move:")]
-    if moves:
-        return moves[0]
-    if "look" in actions:
-        return "look"
-    return actions[0]
-
-
-class TestTowerGameEnergyConstraints:
-    def test_low_energy_blocks_costly_action_without_crashing(self, tmp_path):
-        module, engine = make_engine(tmp_path)
-        engine.world.characters["Timmy"]["energy"] = 1
-
-        result = engine.run_tick("move:north")
-
-        assert any("too exhausted" in line for line in result["log"])
-        assert engine.world.characters["Timmy"]["room"] == "Threshold"
-        assert engine.world.characters["Timmy"]["energy"] == pytest.approx(0.7)
-
-    def test_tired_move_uses_extra_effort_and_drains_energy(self, tmp_path):
-        module, engine = make_engine(tmp_path)
-        engine.world.characters["Timmy"]["energy"] = 3.3
-
-        result = engine.run_tick("move:north")
-
-        assert any("more effort than usual" in line for line in result["log"])
-        assert engine.world.characters["Timmy"]["room"] == "Tower"
-        assert engine.world.characters["Timmy"]["energy"] == pytest.approx(0.0)
-        assert result["timmy_energy"] == pytest.approx(0.0)
-
-    def test_rest_is_meaningful_choice_with_room_specific_recovery(self, tmp_path):
-        module, garden_engine = make_engine(tmp_path / "garden")
-        garden_engine.world.characters["Timmy"]["room"] = "Garden"
-        garden_engine.world.characters["Timmy"]["energy"] = 1.0
-        garden_result = garden_engine.run_tick("rest")
-
-        module, bridge_engine = make_engine(tmp_path / "bridge")
-        bridge_engine.world.characters["Timmy"]["room"] = "Bridge"
-        bridge_engine.world.characters["Timmy"]["energy"] = 1.0
-        bridge_result = bridge_engine.run_tick("rest")
-
-        assert any("stone bench" in line for line in garden_result["log"])
-        assert any("no place to rest" in line.lower() for line in bridge_result["log"])
-        assert garden_engine.world.characters["Timmy"]["energy"] > bridge_engine.world.characters["Timmy"]["energy"]
-
-    def test_marcus_can_provide_energy_relief_when_timmy_is_tired(self, tmp_path):
-        module, engine = make_engine(tmp_path)
-        engine.world.characters["Timmy"]["room"] = "Garden"
-        engine.world.characters["Timmy"]["energy"] = 4.3
-
-        result = engine.run_tick("speak:Marcus")
-
-        assert any("Marcus offers you food" in line for line in result["log"])
-        assert engine.world.characters["Timmy"]["energy"] == pytest.approx(5.0)
-        assert result["timmy_energy"] == pytest.approx(5.0)
-
-    def test_energy_collapse_moves_timmy_and_records_memory(self, tmp_path, monkeypatch):
-        module, engine = make_engine(tmp_path)
-        engine.world.characters["Timmy"]["energy"] = 0
-        engine.world.characters["Timmy"]["room"] = "Threshold"
-        monkeypatch.setattr(std_random, "choice", lambda seq: "Tower")
-
-        result = engine.run_tick("look")
-
-        assert any("collapse from exhaustion" in line.lower() for line in result["log"])
-        assert engine.world.characters["Timmy"]["room"] == "Tower"
-        assert engine.world.characters["Timmy"]["energy"] == 2
-        assert "Collapsed from exhaustion." in engine.world.characters["Timmy"]["memories"]
-
-    def test_intentional_play_reaches_low_energy_within_100_ticks(self, tmp_path):
-        module, engine = make_engine(tmp_path)
-        min_energy = engine.world.characters["Timmy"]["energy"]
-
-        for _ in range(100):
-            action = choose_action(module, engine)
-            engine.run_tick(action)
-            min_energy = min(min_energy, engine.world.characters["Timmy"]["energy"])
-
-        assert min_energy <= 3

tests/test_tower_game_npc_relationships.py

@@ -0,0 +1,52 @@
+from importlib.util import module_from_spec, spec_from_file_location
+from pathlib import Path
+import unittest
+
+
+ROOT = Path(__file__).resolve().parent.parent
+GAME_PATH = ROOT / "evennia" / "timmy_world" / "game.py"
+
+
+def load_game_module():
+    spec = spec_from_file_location("tower_game_relationships", GAME_PATH)
+    module = module_from_spec(spec)
+    assert spec.loader is not None
+    spec.loader.exec_module(module)
+    module.random.seed(0)
+    return module
+
+
+class TestTowerGameNpcRelationships(unittest.TestCase):
+    def test_each_npc_tracks_trust_for_every_other_npc(self):
+        module = load_game_module()
+        world = module.World()
+        npc_names = [name for name, char in world.characters.items() if not char.get("is_player", False)]
+
+        for npc_name in npc_names:
+            with self.subTest(npc=npc_name):
+                trust_map = world.characters[npc_name]["trust"]
+                expected = set(npc_names) - {npc_name}
+                self.assertTrue(expected.issubset(set(trust_map)), f"{npc_name} missing NPC trust keys: {sorted(expected - set(trust_map))}")
+
+    def test_offscreen_npc_conversations_create_friendship_and_tension(self):
+        module = load_game_module()
+        engine = module.GameEngine()
+        engine.start_new_game()
+
+        result = engine.run_tick("look")
+
+        friendships = {tuple(rel["pair"]) for rel in engine.world.state["npc_friendships"]}
+        tensions = {tuple(rel["pair"]) for rel in engine.world.state["npc_tensions"]}
+
+        self.assertIn(("Kimi", "Marcus"), friendships)
+        self.assertIn(("Bezalel", "ClawCode"), tensions)
+        self.assertTrue(any("while you are away" in line.lower() for line in result["world_events"]))
+
+        garden_desc = engine.world.get_room_desc("Garden", "Timmy")
+        forge_desc = engine.world.get_room_desc("Forge", "Timmy")
+        self.assertIn("Marcus and Kimi", garden_desc)
+        self.assertIn("Bezalel and ClawCode", forge_desc)
+
+
+if __name__ == "__main__":
+    unittest.main()

timmy-world/game.py

@@ -203,25 +203,26 @@ class World:
     def update_world_state(self):
         """World changes independent of character actions."""
         # Natural energy decay: the world is exhausting
-        self.state.pop("energy_collapse_event", None)
         for char_name, char in self.characters.items():
             char["energy"] = max(0, char["energy"] - 0.3)
             # Check for energy collapse
             if char["energy"] <= 0:
-                current = char.get("room", "Threshold")
-                next_rooms = [room for room in self.rooms.keys() if room != current]
-                new_room = random.choice(next_rooms) if next_rooms else current
-                char["energy"] = 2  # Wake up with some energy
-                char["room"] = new_room
                 # Timmy collapse gets special narrative treatment
                 if char.get("is_player", False):
                     char["memories"].append("Collapsed from exhaustion.")
-                    self.state["energy_collapse_event"] = {
-                        "character": char_name,
-                        "from_room": current,
-                        "to_room": new_room,
-                    }
+                char["energy"] = 2  # Wake up with some energy
+                # Random room change (scattered)
+                rooms = list(self.rooms.keys())
+                current = char.get("room", "Threshold")
+                new_room = current
+                attempts = 0
+                while new_room == current and attempts < 10:
+                    new_room = rooms[0]  # Will change to random
+                    attempts += 1
+                if new_room != current:
+                    char["room"] = new_room
 
+        # Forge fire naturally dims if not tended
         self.state["forge_fire_dying"] = random.random() < 0.1
         
         # Random weather events
@@ -670,21 +671,7 @@ class GameEngine:
         }
         
         # Process Timmy's action
-        room_name = self.world.characters["Timmy"]["room"]
         timmy_energy = self.world.characters["Timmy"]["energy"]
-
-        collapse_event = self.world.state.pop("energy_collapse_event", None)
-        if collapse_event and collapse_event.get("character") == "Timmy":
-            room_name = self.world.characters["Timmy"]["room"]
-            scene["timmy_room"] = room_name
-            scene["timmy_energy"] = self.world.characters["Timmy"]["energy"]
-            scene["room_desc"] = self.world.get_room_desc(room_name, "Timmy")
-            here = [n for n in self.world.characters if self.world.characters[n]["room"] == room_name and n != "Timmy"]
-            scene["here"] = here
-            scene["log"].append("You collapse from exhaustion. The world spins. You wake somewhere else.")
-            if collapse_event.get("from_room") != collapse_event.get("to_room"):
-                scene["log"].append(f"You are in The {collapse_event['to_room']}, disoriented.")
-            return scene
         
         # Energy constraint checks
         action_costs = {
@@ -747,7 +734,7 @@ class GameEngine:
             if direction in connections:
                 dest = connections[direction]
                 self.world.characters["Timmy"]["room"] = dest
-                self.world.characters["Timmy"]["energy"] -= action_cost
+                self.world.characters["Timmy"]["energy"] -= 1
                 
                 scene["log"].append(f"You move {direction} to The {dest}.")
                 scene["timmy_room"] = dest
@@ -861,7 +848,7 @@ class GameEngine:
                     self.world.characters["Timmy"]["trust"]["Kimi"] = min(1.0,
                         self.world.characters["Timmy"]["trust"].get("Kimi", 0) + 0.1)
                 
-                self.world.characters["Timmy"]["energy"] -= action_cost
+                self.world.characters["Timmy"]["energy"] -= 0
             else:
                 scene["log"].append(f"{target} is not in this room.")
         
@@ -898,7 +885,7 @@ class GameEngine:
             if self.world.characters["Timmy"]["room"] == "Forge":
                 self.world.rooms["Forge"]["fire"] = "glowing"
                 self.world.rooms["Forge"]["fire_tended"] += 1
-                self.world.characters["Timmy"]["energy"] -= action_cost
+                self.world.characters["Timmy"]["energy"] -= 2
                 scene["log"].append("You tend the forge fire. The flames leap up, bright and hungry.")
                 self.world.state["forge_fire_dying"] = False
             else:
@@ -927,7 +914,7 @@ class GameEngine:
                 ]
                 new_rule = random.choice(rules)
                 self.world.rooms["Tower"]["messages"].append(new_rule)
-                self.world.characters["Timmy"]["energy"] -= action_cost
+                self.world.characters["Timmy"]["energy"] -= 1
                 scene["log"].append(f"You write on the Tower whiteboard: \"{new_rule}\"")
             else:
                 scene["log"].append("You are not in the Tower.")
@@ -953,7 +940,7 @@ class GameEngine:
                 new_carving = random.choice(carvings)
                 if new_carving not in self.world.rooms["Bridge"]["carvings"]:
                     self.world.rooms["Bridge"]["carvings"].append(new_carving)
-                    self.world.characters["Timmy"]["energy"] -= action_cost
+                    self.world.characters["Timmy"]["energy"] -= 1
                     scene["log"].append(f"You carve into the railing: \"{new_carving}\"")
             else:
                 scene["log"].append("You are not on the Bridge.")
@@ -962,7 +949,7 @@ class GameEngine:
             if self.world.characters["Timmy"]["room"] == "Garden":
                 self.world.rooms["Garden"]["growth"] = min(5, 
                     self.world.rooms["Garden"]["growth"] + 1)
-                self.world.characters["Timmy"]["energy"] -= action_cost
+                self.world.characters["Timmy"]["energy"] -= 1
                 scene["log"].append("You plant something in the dark soil. The earth takes it without question.")
             else:
                 scene["log"].append("You are not in the Garden.")
@@ -988,7 +975,7 @@ class GameEngine:
                     self.world.characters["Timmy"]["trust"].get(target_name, 0) + 0.2)
                 self.world.characters[target_name]["trust"]["Timmy"] = min(1.0,
                     self.world.characters[target_name]["trust"].get("Timmy", 0) + 0.2)
-                self.world.characters["Timmy"]["energy"] -= action_cost
+                self.world.characters["Timmy"]["energy"] -= 1
                 scene["log"].append(f"You help {target_name}. They look grateful.")
         
         elif timmy_action.startswith("confront:"):
@@ -1089,9 +1076,6 @@ class GameEngine:
                     self.world.characters[char_name]["spoken"].append(line)
                     scene["log"].append(f"{char_name} says: \"{line}\"")
         
-        scene["timmy_room"] = self.world.characters["Timmy"]["room"]
-        scene["timmy_energy"] = self.world.characters["Timmy"]["energy"]
-
         # Save the world
         self.world.save()